// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
// Licensed under the 【火山方舟】原型应用软件自用许可协议
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at 
//     https://www.volcengine.com/docs/82379/1433703
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

export const base64ToArrayBuffer = (base64: string) => {
  const str = atob(base64);
  const u8arr = new Uint8Array(str.length);
  for (let i = 0, L = u8arr.length; i < L; i++) {
    u8arr[i] = str.charCodeAt(i);
  }
  return u8arr.buffer;
};
